package com.atgugui.springcloud.service;

import cn.hutool.core.util.IdUtil;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PathVariable;

import java.util.concurrent.TimeUnit;

/**
 * Created with IntelliJ IDEA.
 *
 * @Auther: hjj
 * @Date: 2021/11/11/17:40
 * @Description:
 */
@Service
public class PaymentService {


    /**
     * @Author hjj
     * @Description:正常
     * @Date  2021/11/11 17:42
     **/
    public String paymentInfoOK(Integer id){
        return "线程池："+Thread.currentThread().getName()+" paymentInfo_OK,id:"+id+"\t"+"哈哈哈";
    }

    /**
     * @Author hjj
     * @Description: 进行服务降级
     * @Date  2021/11/15 14:32
     **/
    @HystrixCommand(fallbackMethod = "paymentInfo_TimeoutHandler",commandProperties = {
            @HystrixProperty(name="execution.isolation.thread.timeoutInMilliseconds",value = "5000")
    })
    public String paymentInfoTimeOut(Integer id){
        int time = 3;
        try {
            TimeUnit.SECONDS.sleep(time);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return "线程池："+Thread.currentThread().getName()+" paymentInfo_TimeOut,id:"+id+"\t"+"哈哈哈，耗时"+time+"秒";
    }

    public String paymentInfo_TimeoutHandler(Integer id){
        return "线程池："+Thread.currentThread().getName()+" 8001系统超时或出错，请稍后再试！,id:"+id+"\t";
    }

    //====服务熔断
    @HystrixCommand(fallbackMethod = "paymentCircuitBreaker_fallback",commandProperties = {
            @HystrixProperty(name = "circuitBreaker.enabled",value = "true"),// 是否开启断路器
            @HystrixProperty(name = "circuitBreaker.requestVolumeThreshold",value = "10"),// 请求次数
            @HystrixProperty(name = "circuitBreaker.sleepWindowInMilliseconds",value = "10000"), // 时间窗口期
            @HystrixProperty(name = "circuitBreaker.errorThresholdPercentage",value = "60"),// 失败率达到多少后跳闸
    })
    public String paymentCircuitBreaker( Integer id)
    {
        if(id < 0)
        {
            throw new RuntimeException("******id 不能负数");
        }
        String serialNumber = IdUtil.simpleUUID();
        return Thread.currentThread().getName()+"\t"+"调用成功，流水号: " + serialNumber;
    }
//兜底降级的方法

    public String paymentCircuitBreaker_fallback(Integer id)
    {
        return "id 不能负数，请稍后再试，/(ㄒoㄒ)/~~   id: " +id;
    }
}
